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Randall W. Lengeling, MD

Year Started

Dr. Randall Lengeling became interested in Gastroenterology and Hepatology because it was his best personal fit in the medical profession, and he has the ability to diagnose and treat GI illnesses relatively noninvasively. During his free time, Dr. Lengeling enjoys collecting, curating, researching and lecturing on the Iowa artist Grant Wood, along with playing tennis. He is a very active member of his community.


Professional Affiliations

Dubuque County Medical Society

Iowa Medical Society

American Medical Association



R. W. Lengeling, C. M. Helms, Treatment of atypical pneumonia J Iowa Med Soc, 71(6), 258-60 (1981)

C. M. Helms, R. W. Lengeling, R. L. Pinsky, M. G. Myers, F. P. Koontz, L. W. Klassen, L. A. Wintermeyer, Toxic shock syndrome: a retrospective study of 25 cases from Iowa. Am. J. Med. Sci., 282(2), 50-60 (1981)

Ulcerative ileitis encountered at ileo-colonoscopy: likely role of nonsteroidal agents.

Lengeling RW, Mitros FA, Brennan JA, Schulze KS. Clin Gastroenterol Hepatol. 2003 May;1(3):160-9.

Reviewed, American College of Physicians Annual Meeting 2004 and reported in Update in Gastroenterology and Hepatology, N Greenberger, MD and Prateek Sharma, MD, Annals of Internal Medicine 141:5, 377;2004,

Comments on Nonsteroidal Anti-Inflammatory Drug Enteropathy, Clin Gastroenterol Hepatol. 2010;8:223–225. Randall W. Lengeling, M.D and Konrad S. Schulze, M.D.


Awards & Recognitions

Director's Award, Dubuque Museum of Art 2006

Elisha Darlin Arts Award, The Dubuque County Fine Arts Society, 2008, as a member of the Dubuque Cultural Perservation Committee

Guest Lecturer, Nonsteroidal Anti-inflammatory Drug Enteropathy: An Unrecognized American Epidemic, Progress in Internal Medicine, Department of Internal Medicine, University of Iowa College of Medicine, October 2011.


Office Locations

Randall W. Lengeling, MD
Medical School

University of Iowa


University of Iowa - General Internal Medicine

Board Certification

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